1956 BMW 503 vs. 2007 Mercury Mariner
To start off, 2007 Mercury Mariner is newer by 51 year(s). Which means there will be less support and parts availability for 1956 BMW 503. In addition, the cost of maintenance, including insurance, on 1956 BMW 503 would be higher. At 3,168 cc (8 cylinders), 1956 BMW 503 is equipped with a bigger engine. In terms of performance, 1956 BMW 503 (138 HP @ 4800 RPM) has 5 more horse power than 2007 Mercury Mariner. (133 HP @ 6000 RPM). In normal driving conditions, 1956 BMW 503 should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 425 kg more than 1956 BMW 503.
Because 2007 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 1956 BMW 503. In wet, icy, snow, or gravel driving conditions, 2007 Mercury Mariner will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1956 BMW 503 (222 Nm @ 2500 RPM) has 54 more torque (in Nm) than 2007 Mercury Mariner. (168 Nm @ 4250 RPM). This means 1956 BMW 503 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner. 2007 Mercury Mariner has automatic transmission and 1956 BMW 503 has manual transmission. 1956 BMW 503 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 BMW 503 | 2007 Mercury Mariner | |
| Make | BMW | Mercury |
| Model | 503 | Mariner |
| Year Released | 1956 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 2299 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 138 HP | 133 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 222 Nm | 168 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 87.5 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Engine Compression Ratio | 7.3:1 | 12.4:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1925 kg |
| Vehicle Length | 4760 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1790 mm |
| Wheelbase Size | 2840 mm | 2630 mm |
| Fuel Tank Capacity | 75 L | 57 L |
